[CVE 2/2] cpqarray: fix info leak in ida_locked_ioctl()
Luis Henriques
luis.henriques at canonical.com
Tue Oct 1 16:05:04 UTC 2013
From: Dan Carpenter <dan.carpenter at oracle.com>
BugLink: http://bugs.launchpad.net/bugs/1188355
CVE-2013-2147
The pciinfo struct has a two byte hole after ->dev_fn so stack
information could be leaked to the user.
This was assigned CVE-2013-2147.
Signed-off-by: Dan Carpenter <dan.carpenter at oracle.com>
Acked-by: Mike Miller <mike.miller at hp.com>
Signed-off-by: Andrew Morton <akpm at linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds at linux-foundation.org>
(cherry picked from commit 627aad1c01da6f881e7f98d71fd928ca0c316b1a)
Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
---
drivers/block/cpqarray.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/block/cpqarray.c b/drivers/block/cpqarray.c
index 6422651..f9caa45 100644
--- a/drivers/block/cpqarray.c
+++ b/drivers/block/cpqarray.c
@@ -1181,6 +1181,7 @@ out_passthru:
ida_pci_info_struct pciinfo;
if (!arg) return -EINVAL;
+ memset(&pciinfo, 0, sizeof(pciinfo));
pciinfo.bus = host->pci_dev->bus->number;
pciinfo.dev_fn = host->pci_dev->devfn;
pciinfo.board_id = host->board_id;
--
1.8.3.2
More information about the kernel-team
mailing list